Python Jupyter notebook share the variable across notebooks

yourVar = 'data or your variable'
%store yourVar
del yourVar # only deletes the variable in this notebook but not in store

In the second notebook:

%store -r yourVar # if you have a variable with the same name, it will rewrite it.
yourVar

To list and delete the stored variable:

%store #list variable in store
%store -d yourVar #delete the variable in store

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